# Copyright (C) 2024 Mandiant, Inc. All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
# You may obtain a copy of the License at: [package root]/LICENSE.txt
# Unless required by applicable law or agreed to in writing, software distributed under the License
#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and limitations under the License.

from capa.features.extractors.binexport2.binexport2_pb2 import BinExport2


def is_stack_register_expression(be2: BinExport2, expression: BinExport2.Expression) -> bool:
    return bool(
        expression and expression.type == BinExport2.Expression.REGISTER and expression.symbol.lower().endswith("sp")
    )
